James Peach created TS-4751:
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Summary: revalidation can skip updating the Age header
Key: TS-4751
URL: https://issues.apache.org/jira/browse/TS-4751
Project: Traffic Server
Issue Type: Bug
Components: Cache, Core
Reporter: James Peach
In {{HttpTransact::merge_and_update_headers_for_cache_update}}, the cached
{{Age}} header is only updated if the server response also contains an {{Age}}
header. If the revalidation response does not contain an {{Age}}, we will
retain the cache {{Age}} header which makes the document permanently stale,
causing a revalidation on every request.
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